/* Greybox Redux 
* Required: http://jquery.com/
* Written by: John Resig 
* Based on code by: 4mir Salihefendic (http://amix.dk) 
* License: LGPL (read more in LGPL.txt) 
*/

(function() {
    var GB_DONE = false;

    var settings = {
        close_img: "/img/common/close.gif",
        height: 400,
        width: 400,
        animation: false,
        overlay_clickable: true,
        callback: null,
        caption: ""
    };

    jQuery.GB_show = function(url, options) {
        settings = jQuery.extend(settings, options || {});

        if (!GB_DONE) {
            jQuery(document.body)
        .append(
          "<div id='GB_overlay'></div>" +
          "<div id='GB_window'><div id='GB_caption'></div>" +
          "<img src='" + settings.close_img + "' alt='Close window'/></div>");
            jQuery("#GB_window img").click(jQuery.GB_hide);
            if (settings.overlay_clickable) {
                jQuery("#GB_overlay").click(jQuery.GB_hide);
            }
            jQuery(window).resize(jQuery.GB_position);
            GB_DONE = true;
        }

        jQuery("#GB_frame").remove();
        jQuery("#GB_window").append("<iframe id='GB_frame' src='" + url + "'></iframe>");

        jQuery("#GB_caption").html(settings.caption);
        jQuery("#GB_overlay").show();
        jQuery.GB_position();

        if (settings.animation)
            jQuery("#GB_window").slideDown("slow");
        else
            jQuery("#GB_window").show();
    }

    jQuery.GB_hide = function() {
        jQuery("#GB_window,#GB_overlay").hide();
        if (settings.callback && typeof (settings.callback) == 'function') {
            settings.callback.apply();
        }
    }

    jQuery.GB_position = function() {
        var de = document.documentElement;
        var w = jQuery("body").width();
        jQuery("#GB_window").css({
            width: settings.width + "px",
            height: settings.height + "px",
            left: ((w - settings.width) / 2) + "px"
        });
        jQuery("#GB_frame").css("height", settings.height - 32 + "px");
    }

})();